Discover AI-native insights at Testμ Conference‘25

How to use someFunction method in unexpected

Best JavaScript code snippet using unexpected

SpySpec.js

...8    };9    this.spyOn(TestClass, 'someFunction');10    expect(TestClass.someFunction.wasCalled).toEqual(false);11    expect(TestClass.someFunction.callCount).toEqual(0);12    TestClass.someFunction('foo');13    expect(TestClass.someFunction.wasCalled).toEqual(true);14    expect(TestClass.someFunction.callCount).toEqual(1);15    expect(TestClass.someFunction.mostRecentCall.args).toEqual(['foo']);16    expect(TestClass.someFunction.mostRecentCall.object).toEqual(TestClass);17    expect(originalFunctionWasCalled).toEqual(false);18    TestClass.someFunction('bar');19    expect(TestClass.someFunction.callCount).toEqual(2);20    expect(TestClass.someFunction.mostRecentCall.args).toEqual(['bar']);21  });22  it('should allow you to view args for a particular call', function() {23    var originalFunctionWasCalled = false;24    var TestClass = {25      someFunction: function() {26        originalFunctionWasCalled = true;27      }28    };29    this.spyOn(TestClass, 'someFunction');30    TestClass.someFunction('foo');31    TestClass.someFunction('bar');32    expect(TestClass.someFunction.calls[0].args).toEqual(['foo']);33    expect(TestClass.someFunction.calls[1].args).toEqual(['bar']);34    expect(TestClass.someFunction.mostRecentCall.args).toEqual(['bar']);35  });36  it('should be possible to call through to the original method, or return a specific result', function() {37    var originalFunctionWasCalled = false;38    var passedArgs;39    var passedObj;40    var TestClass = {41      someFunction: function() {42        originalFunctionWasCalled = true;43        passedArgs = arguments;44        passedObj = this;45        return "return value from original function";46      }47    };48    this.spyOn(TestClass, 'someFunction').andCallThrough();49    var result = TestClass.someFunction('arg1', 'arg2');50    expect(result).toEqual("return value from original function");51    expect(originalFunctionWasCalled).toEqual(true);52    expect(passedArgs).toEqual(['arg1', 'arg2']);53    expect(passedObj).toEqual(TestClass);54    expect(TestClass.someFunction.wasCalled).toEqual(true);55  });56  it('should be possible to return a specific value', function() {57    var originalFunctionWasCalled = false;58    var TestClass = {59      someFunction: function() {60        originalFunctionWasCalled = true;61        return "return value from original function";62      }63    };64    this.spyOn(TestClass, 'someFunction').andReturn("some value");65    originalFunctionWasCalled = false;66    var result = TestClass.someFunction('arg1', 'arg2');67    expect(result).toEqual("some value");68    expect(originalFunctionWasCalled).toEqual(false);69  });70  it('should be possible to throw a specific error', function() {71    var originalFunctionWasCalled = false;72    var TestClass = {73      someFunction: function() {74        originalFunctionWasCalled = true;75        return "return value from original function";76      }77    };78    this.spyOn(TestClass, 'someFunction').andThrow(new Error('fake error'));79    var exception;80    try {81      TestClass.someFunction('arg1', 'arg2');82    } catch (e) {83      exception = e;84    }85    expect(exception.message).toEqual('fake error');86    expect(originalFunctionWasCalled).toEqual(false);87  });88  it('should be possible to call a specified function', function() {89    var originalFunctionWasCalled = false;90    var fakeFunctionWasCalled = false;91    var passedArgs;92    var passedObj;93    var TestClass = {94      someFunction: function() {95        originalFunctionWasCalled = true;96        return "return value from original function";97      }98    };99    this.spyOn(TestClass, 'someFunction').andCallFake(function() {100      fakeFunctionWasCalled = true;101      passedArgs = arguments;102      passedObj = this;103      return "return value from fake function";104    });105    var result = TestClass.someFunction('arg1', 'arg2');106    expect(result).toEqual("return value from fake function");107    expect(originalFunctionWasCalled).toEqual(false);108    expect(fakeFunctionWasCalled).toEqual(true);109    expect(passedArgs).toEqual(['arg1', 'arg2']);110    expect(passedObj).toEqual(TestClass);111    expect(TestClass.someFunction.wasCalled).toEqual(true);112  });113  it('is torn down when this.removeAllSpies is called', function() {114    var originalFunctionWasCalled = false;115    var TestClass = {116      someFunction: function() {117        originalFunctionWasCalled = true;118      }119    };120    this.spyOn(TestClass, 'someFunction');121    TestClass.someFunction('foo');122    expect(originalFunctionWasCalled).toEqual(false);123    this.removeAllSpies();124    TestClass.someFunction('foo');125    expect(originalFunctionWasCalled).toEqual(true);126  });127  it('calls removeAllSpies during spec finish', function() {128    var test = new jasmine.Spec(new jasmine.Env(), {}, 'sample test');129    this.spyOn(test, 'removeAllSpies');130    test.finish();131    expect(test.removeAllSpies).wasCalled();132  });133  it('throws an exception when some method is spied on twice', function() {134    var TestClass = { someFunction: function() {135    } };136    this.spyOn(TestClass, 'someFunction');137    var exception;138    try {139      this.spyOn(TestClass, 'someFunction');140    } catch (e) {141      exception = e;142    }143    expect(exception).toBeDefined();144  });145	146	it('to spy on an undefined method throws exception', function() {147		var TestClass = {148			someFunction : function() {149			}150		};151		function efunc() {152			this.spyOn(TestClass, 'someOtherFunction');153		};154		expect(function() {155			efunc();156		}).toThrow('someOtherFunction() method does not exist');157	158	}); 159  it('should be able to reset a spy', function() {160    var TestClass = { someFunction: function() {} };161    this.spyOn(TestClass, 'someFunction');162    expect(TestClass.someFunction).not.toHaveBeenCalled();163    TestClass.someFunction();164    expect(TestClass.someFunction).toHaveBeenCalled();165    TestClass.someFunction.reset();166    expect(TestClass.someFunction).not.toHaveBeenCalled();167    expect(TestClass.someFunction.callCount).toEqual(0);168  });169  describe("createSpyObj", function() {170    it("should create an object with a bunch of spy methods when you call jasmine.createSpyObj()", function() {171      var spyObj = jasmine.createSpyObj('BaseName', ['method1', 'method2']);172      expect(spyObj).toEqual({ method1: jasmine.any(Function), method2: jasmine.any(Function)});173      expect(spyObj.method1.identity).toEqual('BaseName.method1');174      expect(spyObj.method2.identity).toEqual('BaseName.method2');175    });176    it("should throw if you do not pass an array argument", function() {177      expect(function() {...

Using AI Code Generation

1var unexpectedModule = require('unexpectedModule');2unexpectedModule.someFunction();3var unexpectedModule = require('unexpectedModule');4unexpectedModule.someFunction();5module.exports = {6    someFunction: function () {7    }8}9var unexpectedModule = require('unexpectedModule');10unexpectedModule.someFunction();11var unexpectedModule = require('unexpectedModule');12unexpectedModule.someFunction();13module.exports = {14    someFunction: function () {15    }16}17var unexpectedModule = require('unexpectedModule');18unexpectedModule.someFunction();19var unexpectedModule = require('unexpectedModule');20unexpectedModule.someFunction();21module.exports = {22    someFunction: function () {23    }24}25var unexpectedModule = require('unexpectedModule');26unexpectedModule.someFunction();27var unexpectedModule = require('unexpectedModule');28unexpectedModule.someFunction();29module.exports = {30    someFunction: function () {31    }32}33var unexpectedModule = require('unexpectedModule');34unexpectedModule.someFunction();35var unexpectedModule = require('unexpectedModule');36unexpectedModule.someFunction();37module.exports = {38    someFunction: function () {39    }40}

Using AI Code Generation

1var unexpected = require('unexpected');2var someFunction = require('./someFunction.js');3var expect = unexpected.clone();4expect.addAssertion('someFunction', function (expect, subject, value) {5    expect.errorMode = 'nested';6    return expect(someFunction(subject), 'to equal', value);7});8describe('someFunction', function () {9    it('should return 5 if input is 3', function () {10        expect(3, 'someFunction', 5);11    });12});13module.exports = function (input) {14    return input + 2;15};16var expect = require('unexpected').clone();17expect.addAssertion('someFunction', function (expect, subject, value) {18    expect.errorMode = 'nested';19    return expect(someFunction(subject), 'to equal', value);20});21describe('someFunction', function () {22    it('should return 5 if input is 3', function () {23        expect(3, 'someFunction', 5);24    });25});26module.exports = function (input) {27    return input + 2;28};29var unexpected = require('unexpected');30var someFunction = require('./someFunction.js');31var expect = unexpected.clone();32expect.addAssertion('someFunction', function (expect, subject, value) {33    expect.errorMode = 'nested';34    return expect(someFunction(subject), 'to equal', value);35});36describe('someFunction', function () {37    it('should return 5 if input is 3', function () {38        expect(3, 'someFunction', 5);39    });40});41module.exports = function (input) {42    return input + 2;43};

Using AI Code Generation

1var unexpectedObject = require('./unexpectedObject.js');2unexpectedObject.someFunction();3module.exports = {4    someFunction: function () {5        console.log('someFunction was called');6    }7};8module.exports = function () {9    return {10        someFunction: function () {11            console.log('someFunction was called');12        }13    };14};15var unexpectedObject = require('./unexpectedObject.js')();16unexpectedObject.someFunction();17module.exports = {18    someFunction: function () {19        console.log('someFunction was called');20    }21};22var unexpectedObject = require('./unexpectedObject.js');23unexpectedObject.someFunction();24module.exports = function () {25    return {26        someFunction: function () {27            console.log('someFunction was called');28        }29    };30};31var unexpectedObject = require('./unexpectedObject.js')();32unexpectedObject.someFunction();33module.exports = function () {34    return {35        someFunction: function () {36            console.log('someFunction was called');37        }38    };39};40var unexpectedObject = require('./unexpectedObject.js')();41unexpectedObject.someFunction();42module.exports = {43    someFunction: function () {44        console.log('someFunction was called');45    }46};47var unexpectedObject = require('./unexpectedObject.js');48unexpectedObject.someFunction();49module.exports = function () {50    return {51        someFunction: function () {52            console.log('someFunction was called');53        }54    };55};56var unexpectedObject = require('./unexpectedObject.js')();57unexpectedObject.someFunction();58module.exports = function () {59    return {60        someFunction: function () {61            console.log('someFunction was called');62        }63    };64};

Using AI Code Generation

1function someFunction(){2  return "someFunction";3}4function someFunction(){5  return "unexpectedFunction";6}7module.exports = {8}9var unexpectedObject = require('unexpectedObject');10module.exports = {11}12var someObject = require('someObject');

Blogs

Check out the latest blogs from LambdaTest on this topic:

How To Find Flaky Selenium Test Suite

With Selenium being the most popular choice, automation testing has become an inevitable part of any Software Development Project. Backed by Continuous Testing, CI/CD pipelines, and DevOps, organizations make huge investments in setting up automatically triggered tests in the hopes of saving time, cost, and effort in the long run.

How to Integrate LambdaTest with Calliope.pro?

Collaboration is pivotal for any successful release. Can you imagine going through a sprint without consulting or informing any other team involved in the project about what you did? You can’t right because it is not a pretty picture. Modern SDLCs demand various teams to coordinate as they try to deliver a product as quickly as possible in the market, with assured quality.

How To Run Your First Playwright Test On Cloud

One of the biggest problems I’ve faced when building a test suite is not the writing of the tests but the execution. How can I execute 100s or 1000s of tests in parallel?If I try that on my local machine, it would probably catch fire – so we need a remote environment to send these to.

Migrating Test Automation Suite To Cypress 10

There are times when developers get stuck with a problem that has to do with version changes. Trying to run the code or test without upgrading the package can result in unexpected errors.

23 Node.js Best Practices For Automation Testing

If you are in the world of software development, you must be aware of Node.js. From Amazon to LinkedIn, a plethora of major websites use Node.js. Powered by JavaScript, Node.js can run on a server, and a majority of devs use it for enterprise applications. As they consider it a very respectable language due to the power it provides them to work with. And if you follow Node.js best practices, you can increase your application performance on a vast scale.

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.